問題詳情
9.In the long run, a firm in a perfectly competitive market operates at
(A)efficient scale and a monopolistically competitive firm operates at excess capacity.
(B)efficient scale and a monopolistically competitive firm operates at efficient scale.
(C)excess capacity and a monopolistically competitive firm operates at excess capacity,
(D) excess capacity and a monopolistically competitive firm operates at efficient scale.
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)